Home / 3,842.20-5,774.14-2,282.50

Finding the Fourth Proportional to 3,842.20, 5,774.14 and 2,282.50

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Solution

The fourth proportional to 3,842.20, 5,774.14 and 2,282.50 is: 3,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.20 : 5,774.14 = 2,282.50 : x
  2. Step 2: Convert to fraction form
    3,842.20/5,774.14 = 2,282.50/x
  3. Step 3: Cross multiply
    3,842.20x = 5,774.14 × 2,282.50
  4. Step 4: Simplify right side
    3,842.20x = 13,179,474.55
  5. Step 5: Solve for x
    x = 13,179,474.55/3,842.20
  6. Step 6: Final answer
    x = 3,430.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.